Nikkei Stock Average Volatility Index

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	param	t-stat
$ω$	0.0226	10.14
$α$	0.1760	39.18
$β$	0.9705	700.22
$γ$	-0.0795	-17.65

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TOPIX Core 30 Index EGARCH Volatility Analysis

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News Impact Curve

Volatility Forecast

Parameter Estimates

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